I got the coating direct from Autocrete on the internet. It is a bit pricey, but it works! You mix it with water until you get a slight paste. May need two to three coats.
Tim
"Pay attention to the details! It ALWAYS pays off."
1949 Chevrolet 3100 Series 1/2 ton Pickup 1964 Chevrolet C10 (Ol' Yella) (SOLD) 1958 Chevrolet Biscayne 2 door (SOLD) 1970 VW Beetle